after the game was released, Square Enix added the ability to battle other players in addition to the AI. The Battle Arena, an area of the game that allowed three versus three matches between the player and a computer-controlled opponent, was modified to allow matches between two real players. Players could also use their location as a base and team up with others in their location to attack other people's bases. Synopsis Code Age Brawls is set on an , a fictional hollow world similar to a Dyson sphere, with people living on its internal surface; at the sphere's center is the Central Code, a structure which resets the world even ten thousand years by wiping out the current civilization in an event called the Reborn. In an attempt to survive the next Reborn, humanity constructs arks around the Central Code. The plan fails as the arks are struck out of orbit and land back on the ground. Humans come under attack by Otellos, a species that can warp humans into mindless Coded, although some can absorb Coded and transform into powerful warriors dubbed Warhead. Survivors splinter into factions, some fighting each other and others hiding underground. The game follows Lost L, a human who attempted to become a Coded to survive the Reborn, but is instead transformed into an incomplete Warhead. Due to this condition causing bodily degradation, Lost L must battle other Warheads to steal their bodies. Lost L ends up joining forces with a vigilante group facing off against the hostile Afternova faction, learning about their past and the Ark project along the way. The final chapter focuses on Lost L confronting the leader of Afternova with help from Commanders characters Gene and Meme, and R, a character from Archive with a similar condition to Lost L. Development The concept for the Code Age world was created by Yusuke Naora in 2002, prior to the 2003 merger of Square and Enix to become Square Enix. Code Age formed part of Square Enix's plan to develop "polymorphic content", a marketing and sales strategy to "[provide] well-known properties on several platforms, allowing exposure of the products to as wide an audience as possible"; this approach included Compilation of Final Fantasy VII and the World of Mana. Naora's concept was created independent of this policy. Production of the Code Age projects was handled by a group dubbed "Warhead". Gathering the